CN106292447B - A kind of integrated laser Level monitor with signal acquisition and transmission - Google Patents
A kind of integrated laser Level monitor with signal acquisition and transmission Download PDFInfo
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- CN106292447B CN106292447B CN201610780655.4A CN201610780655A CN106292447B CN 106292447 B CN106292447 B CN 106292447B CN 201610780655 A CN201610780655 A CN 201610780655A CN 106292447 B CN106292447 B CN 106292447B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
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Abstract
The invention discloses a kind of integrated laser Level monitors with signal acquisition and transmission, it is characterised in that：Mainly by microcontroller, signal processing unit, display and the wireless transmission block being connected respectively with microcontroller, and the laser water-level gauge being connected with signal processing unit form.Monitoring result can be sent to monitoring station by the present invention by wireless network, and monitoring station is allow timely to analyze monitoring result, to make hydrological monitoring work that can normally carry out；The present invention is transmitted water level signal using wireless network, is not necessarily to track laying, greatly reduces cost.
Description
Technical field
The present invention relates to a kind of monitoring device, in particular to a kind of integrated laser water levels with signal acquisition and transmission
Monitoring device.
Background technology
Hydrological monitoring equipment is equipment indispensable in water conservancy construction, and it is that water conservancy is anti-to be monitored to the water level in river
Indispensable part in big vast work of combatting a flood.With the development of laser technology, occurs laser Level monitor at present, this swashs
Light Level monitor measures water level by laser measuring technique, easy to use and high certainty of measurement, wide
General use.However only the survey crew at scene just can be at the first time when in use for current laser level measurement device
Know monitoring result, want to analyze monitoring result, can only be analyzed using computer after resilience monitoring station, is used
This method can not then analyze monitoring result in first time, seriously hamper being normally carried out for hydrological monitoring work.
It is engaged in therefore it provides a kind of laser Level monitor that monitoring result can be in real time sent to monitoring station is then current working as
It is anxious.
Invention content
It is an object of the invention to the laser Level monitors for solving current to be in real time sent to monitoring result
The defect of monitoring station provides a kind of integrated laser Level monitor with signal acquisition and transmission.
The purpose of the present invention passes through following technical proposals reality：A kind of integrated laser water with signal acquisition and transmission
Position monitoring device, mainly by microcontroller, signal processing unit, display and the wireless transmission block being connected respectively with microcontroller,
And the laser water-level gauge composition being connected with signal processing unit；The signal processing unit is mainly by processing chip U, cathode
It is connected with-IN the pins of processing chip U, the capacitance C5 that anode is connected with+IN the pins of processing chip U, forward end and place
The OUT pins of reason chip U are connected, the NOT gate A1 that backward end is connected after resistance R13 with the V+ pins of processing chip U, bear
Pole is connected with the V+ pins of processing chip U, anode connect power supply the capacitance pole C6, P be connected with the cathode of capacitance C5, the poles N and
The diode D5 that the cathode of capacitance C6 is connected, anode be connected with the poles P of diode D5, cathode after resistance R11 with capacitance
The capacitance pole C4, N that the cathode of C5 is connected is connected with the anode of capacitance C5, the poles P after resistance R9 with the positive phase of capacitance C4
The diode D3 of connection, the signal being connected with the poles P of diode D3 follow circuit, the V- pin phases of one end and processing chip U
The backward end for the resistance R12 and NAND gate A1 that connection, the other end are grounded while following circuit to be connected with signal is connected
Waveform adjusting circuit composition；The signal follows the input terminal of circuit to be connected with laser water-level gauge；The waveform adjustment electricity
The output end on road is connected with microcontroller.
Further, the signal follows circuit by field-effect tube MOS, and triode VT1, the poles triode VT2, N are through resistance
It is connected with the collector of triode VT1 after R7, the diode that the poles P are connected after resistance R4 with the drain electrode of field-effect tube MOS
D1, the capacitance that cathode is connected after resistance R6 with the base stage of triode VT1, anode is connected with the drain electrode of field-effect tube MOS
The pole C2, N is connected after resistance R12 with the V- pins of processing chip U, emitter of the poles P after resistance R10 with triode VT2
The diode D4 being connected, anode be connected with the emitter of triode VT2, the electricity that cathode is connected with the poles P of diode D4
Hold C3, the diode D2 that the poles P are connected with the poles P of diode D4, the poles N are connected after resistance R8 with the base stage of triode VT2,
The resistance R5 being serially connected between the source electrode of field-effect tube MOS and the poles P of diode D4, anode after resistance R3 with field-effect tube
The capacitance C1 and one end that the grid of MOS is connected, cathode is connected with the poles P of diode D4 are connected with the anode of capacitance C1
It connects, the resistance R1 compositions that the other end is connected after resistance R2 with the poles P of diode D1；The poles P of the diode D1 connect power supply；
The base stage of the triode VT2 is connected with the emitter of triode VT1, its collector is connected with the poles P of diode D3；Institute
The anode for stating capacitance C1 is connected with laser water-level gauge.
The Waveform adjusting circuit is by amplifier P1, amplifier P2, amplifier P3, triode VT3, cathode and amplifier P1
Anode be connected, the capacitance C7 that the backward end of positive NAND gate A1 is connected, anode is connected with the anode of amplifier P1, bears
The capacitance C8 that pole is connected with the output end of amplifier P1, the resistance pole R16, N being in parallel with capacitance C8 are defeated with amplifier P1's
The diode D6 that outlet is connected, the poles P are connected after resistance R15 with the cathode of amplifier P1, cathode are defeated with amplifier P3's
The capacitance C10 that outlet is connected, anode is connected after resistance R17 with the poles N of diode D6, the output of cathode and amplifier P2
The capacitance C9 that end is connected, anode is connected with the anode of amplifier P2, and it is serially connected in the base stage and amplifier of triode VT3
Resistance R14 compositions between the anode of P2；The cathode of the amplifier P1 is connected with its anode, its output end then with microcontroller
It is connected；The cathode of the amplifier P2 is connected with the collector of triode VT3, its output end is then respectively with diode D6's
The poles N are connected with the poles P；The backward end of the base stage NAND gate A1 of the triode VT3 is connected, its emitter then with amplifier P3
Cathode be grounded while be connected；The anode of the amplifier P3 is connected with the output end of amplifier P2.
The processing chip U is LM324 integrated chips.
Compared with the prior art, the present invention has the following advantages and advantageous effect：
(1) monitoring result can be sent to monitoring station by the present invention by wireless network, keep monitoring station timely
Monitoring result is analyzed, to make hydrological monitoring work can normally carry out；The present invention is using wireless network to water
Position signal is transmitted, and is not necessarily to track laying, is greatly reduced cost.
(2) water level signal that signal processing unit of the invention can export laser water-level gauge is amplified processing, from
And the loss that water level signal generates in the process in wireless transmission can be made up, keep the water level signal that monitoring station receives more clear
It is clear；Meanwhile the signal processing unit can also be adjusted the waveform of signal, avoid signal waveform from being distorted, greatly
Improve the accuracy for the water level signal that monitoring station receives；It is such then can enable monitoring station preferably to monitoring tie
Fruit is analyzed.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structure chart of the signal processing unit of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in Figure 1, the present invention mainly by mainly by microcontroller, be connected respectively with microcontroller signal processing unit,
Display and wireless transmission block, and the laser water-level gauge being connected with signal processing unit form.Entire Level monitor
It is arranged on bank, and the laser water-level gauge is then by the vertical setting of fixed link on the water surface, because laser can be directed through
The bottom, so needing that reflecting plate is arranged on the water surface immediately below laser water-level gauge, which need to be fixed up；Laser water level
The set-up mode of meter and reflecting plate has been current mature technology, does not do excessive repeat herein.
The laser water-level gauge uses JH2004 laser water-level gauges, and at work, laser water-level gauge emits beam of laser, laser
It is returned in laser water-level gauge through baffle reflection, laser water-level gauge exports corresponding digital signal according to the phase difference of two beam laser
To signal processing unit.The signal processing unit handles digital signal and is exported to microcontroller.The microcontroller is this hair
Bright processing center preferentially realized using AT89S51 microcontrollers, the P1.0 signal input tube feet of the AT89S51 microcontrollers
Be connected with the output end of signal processing unit, P2.0 pins are connected with display, P2.2 pins then with wireless transmission mould
Block is connected.The microcontroller is sent to display and shows water level value after handling signal, while also sending a signal to
Wireless transport module, wireless transport module is by wireless network transmissions to monitoring station.The wireless transport module uses ZIGBEE
Wireless transport module realizes that signal input interface is connected with microcontroller；Corresponding monitoring station is also required to be provided with phase
The wireless transport module answered can receive signal.
In order to preferably implement the present invention, as shown in Fig. 2, the signal processing unit is mainly by processing chip U, cathode and place
- IN the pins of reason chip U are connected, the capacitance C5 that anode is connected with+IN the pins of processing chip U, forward end with handle core
The NOT gate A1 that the OUT pins of piece U are connected, backward end is connected after resistance R13 with the V+ pins of processing chip U, cathode with
The V+ pins of processing chip U are connected, anode connect power supply the capacitance pole C6, P be connected with the cathode of capacitance C5, the poles N and capacitance
The diode D5 that the cathode of C6 is connected, anode be connected with the poles P of diode D5, cathode after resistance R11 with capacitance C5's
The capacitance pole C4, N that cathode is connected is connected with the anode of capacitance C5, the poles P are connected after resistance R9 with the anode of capacitance C4
Diode D3, the signal being connected with the poles P of diode D3 follows circuit, one end is connected with the V- pins of processing chip U,
The wave that the backward end of the resistance R12 and NAND gate A1 that are grounded while the other end follows circuit to be connected with signal are connected
Shape adjustment circuit forms.The signal follows the input terminal of circuit to be connected with laser water-level gauge；The Waveform adjusting circuit
Output end is connected with microcontroller
The processing chip U, capacitance C4, resistance R11, capacitance C5 and diode D3 form an amplifying circuit, the amplification
Circuit can be amplified water level signal with distortionless, to make up the weakening that water level signal is generated by wireless transmission.For
The better implementation present invention, the processing chip U are preferentially realized using LM324 integrated chips.
Wherein, which follows circuit by field-effect tube MOS, triode VT1, triode VT2, resistance R1, resistance R2, electricity
Hinder R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R10, capacitance C1, capacitance C2, capacitance C3, diode
D1, diode D2 and diode D4 compositions.
When connection, the poles N of diode D1 are connected after resistance R7 with the collector of triode VT1, and the poles P are after resistance R4
It is connected with the drain electrode of field-effect tube MOS.The cathode of capacitance C2 is connected after resistance R6 with the base stage of triode VT1, anode
It is connected with the drain electrode of field-effect tube MOS.The poles N of diode D4 are connected after resistance R12 with the V- pins of processing chip U, P
Pole is connected after resistance R10 with the emitter of triode VT2.The anode of capacitance C3 is connected with the emitter of triode VT2,
Cathode is connected with the poles P of diode D4.The poles P of diode D2 are connected with the poles P of diode D4, the poles N after resistance R8 with
The base stage of triode VT2 is connected.Resistance R5 is serially connected between the source electrode of field-effect tube MOS and the poles P of diode D4.Capacitance C1
Anode be connected with the grid of field-effect tube MOS after resistance R3, cathode is connected with the poles P of diode D4.Resistance R1's
One end is connected with the anode of capacitance C1, and the other end is connected after resistance R2 with the poles P of diode D1.The diode D1's
The poles P connect power supply.The base stage of the triode VT2 is connected with the emitter of triode VT1, the P of collector and diode D3
Pole is connected.The anode of the capacitance C1 is connected with laser water-level gauge.The signal follows circuit to may insure the water level inputted
The stability of signal.
The Waveform adjusting circuit by amplifier P1, amplifier P2, amplifier P3, triode VT3, resistance R14, resistance R15,
Resistance R16, resistance R17, capacitance C7, capacitance C8, capacitance C9, capacitance C10 and diode D6 compositions.
Wherein, the cathode of capacitance C7 is connected with the anode of amplifier P1, and the backward end of positive NAND gate A1 is connected.Electricity
The anode for holding C8 is connected with the anode of amplifier P1, and cathode is connected with the output end of amplifier P1.Resistance R16 and capacitance C8
It is in parallel.The poles N of diode D6 are connected with the output end of amplifier P1, the poles P after resistance R15 with the cathode phase of amplifier P1
Connection.The cathode of capacitance C10 is connected with the output end of amplifier P3, and anode is extremely connected after resistance R17 with the N of diode D6
It connects.The cathode of capacitance C9 is connected with the output end of amplifier P2, and anode is connected with the anode of amplifier P2.Resistance R14 strings
It is connected between the base stage of triode VT3 and the anode of amplifier P2.
The cathode of the amplifier P1 is connected with its anode, and output end is then connected with microcontroller.The amplifier
The cathode of P2 is connected with the collector of triode VT3, and output end is then connected with the poles N of diode D6 and the poles P respectively.Institute
The backward end for stating the base stage NAND gate A1 of triode VT3 is connected, and emitter is then connected with the cathode of amplifier P3 same
When be grounded.The anode of the amplifier P3 is connected with the output end of amplifier P2.
The Waveform adjusting circuit can be handled the waveform of water level signal, improve the stability of water level signal, the wave
Shape adjustment circuit can make the waveform distortion of water level signal be less than 0.2%.Capacitance C8 and resistance R16 form a low pass filtered
Wave device, the low-pass filter can be filtered High-frequency Interference, and the further stability for improving water level signal is conducive to water level
Signal transmits at a distance.
The present invention is amplified processing by the water level signal that signal processing unit exports laser water-level gauge, so as to
The loss that water level signal generates in the process in wireless transmission is made up, the water level signal that monitoring station receives is made to be more clear.Together
When, which is also adjusted the waveform of signal, and signal waveform is avoided to be distorted, and greatly improves monitoring
The accuracy for the water level signal that website receives.It is such then monitoring station can be enable preferably to divide monitoring result
Analysis.
As described above, the present invention can be realized well.
Claims (4)
1. a kind of integrated laser Level monitor with signal acquisition and transmission, it is characterised in that：Mainly by microcontroller,
Signal processing unit, display and the wireless transmission block being connected respectively with microcontroller, and be connected with signal processing unit
Laser water-level gauge composition；Mainly by processing chip U, cathode is connected the signal processing unit with the-IN pins of processing chip U
It connects, the capacitance C5 that anode is connected with+IN the pins of processing chip U, forward end is connected, instead with the OUT pins of processing chip U
The NOT gate A1 being connected to end with the V+ pins of processing chip U after resistance R13, cathode are connected with the V+ pins of processing chip U
It connects, the positive capacitance pole C6, P for connecing power supply is connected with the cathode of capacitance C5, the diode that the poles N are connected with the cathode of capacitance C6
D5, anode be connected with the poles P of diode D5, the poles capacitance C4, N that cathode is connected after resistance R11 with the cathode of capacitance C5
It is connected with the anode of capacitance C5, the diode D3 that the poles P are connected after resistance R9 with the anode of capacitance C4, with diode D3's
The signal that the poles P are connected follows circuit, and one end is connected with the V- pins of processing chip U, the other end and signal follow circuit phase
The Waveform adjusting circuit composition that the backward end of the resistance R12 and NAND gate A1 that are grounded while connection are connected；The signal
The input terminal of circuit is followed to be connected with laser water-level gauge；The output end of the Waveform adjusting circuit is connected with microcontroller.
2. a kind of integrated laser Level monitor with signal acquisition and transmission according to claim 1, special
Sign is：The signal follows circuit by field-effect tube MOS, triode VT1, the triode pole VT2, N after resistance R7 with three poles
The diode D1 that the collector of pipe VT1 is connected, the poles P are connected after resistance R4 with the drain electrode of field-effect tube MOS, cathode is through electricity
It is connected with the base stage of triode VT1 after resistance R6, the positive poles capacitance C2, N being connected with the drain electrode of field-effect tube MOS are through resistance
It is connected with the V- pins of processing chip U after R12, two poles that the poles P are connected after resistance R10 with the emitter of triode VT2
Pipe D4, anode be connected with the emitter of triode VT2, the capacitance pole C3, P and two that cathode is connected with the poles P of diode D4
The diode D2 that the poles P of pole pipe D4 are connected, the poles N are connected after resistance R8 with the base stage of triode VT2 concatenates scene effect
Resistance R5 between the source electrode of pipe MOS and the poles P of diode D4, anode are connected after resistance R3 with the grid of field-effect tube MOS
It connects, the capacitance C1 that cathode is connected with the poles P of diode D4 and one end is connected with the anode of capacitance C1, the other end is through electricity
The resistance R1 compositions being connected with the poles P of diode D1 after resistance R2；The poles P of the diode D1 connect power supply；The triode VT2
Base stage be connected with the emitter of triode VT1, its collector is connected with the poles P of diode D3；The capacitance C1 is just
Pole is connected with laser water-level gauge.
3. a kind of integrated laser Level monitor with signal acquisition and transmission according to claim 2, special
Sign is：The Waveform adjusting circuit is by amplifier P1, amplifier P2, amplifier P3, triode VT3, cathode and amplifier P1
Anode be connected, the capacitance C7 that the backward end of positive NAND gate A1 is connected, anode is connected with the anode of amplifier P1, bears
The capacitance C8 that pole is connected with the output end of amplifier P1, the resistance pole R16, N being in parallel with capacitance C8 are defeated with amplifier P1's
The diode D6 that outlet is connected, the poles P are connected after resistance R15 with the cathode of amplifier P1, cathode are defeated with amplifier P3's
The capacitance C10 that outlet is connected, anode is connected after resistance R17 with the poles N of diode D6, the output of cathode and amplifier P2
The capacitance C9 that end is connected, anode is connected with the anode of amplifier P2, and it is serially connected in the base stage and amplifier of triode VT3
Resistance R14 compositions between the anode of P2；The cathode of the amplifier P1 is connected with its anode, its output end then with microcontroller
It is connected；The cathode of the amplifier P2 is connected with the collector of triode VT3, its output end is then respectively with diode D6's
The poles N are connected with the poles P；The backward end of the base stage NAND gate A1 of the triode VT3 is connected, its emitter then with amplifier P3
Cathode be grounded while be connected；The anode of the amplifier P3 is connected with the output end of amplifier P2.
4. a kind of integrated laser Level monitor with signal acquisition and transmission according to claim 3, special
Sign is：The processing chip U is LM324 integrated chips.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610780655.4A CN106292447B (en) | 2016-08-30 | 2016-08-30 | A kind of integrated laser Level monitor with signal acquisition and transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610780655.4A CN106292447B (en) | 2016-08-30 | 2016-08-30 | A kind of integrated laser Level monitor with signal acquisition and transmission |
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| CN106292447B true CN106292447B (en) | 2018-11-09 |
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| DE102006027733A1 (en) * | 2006-06-16 | 2007-12-20 | Daimlerchrysler Ag | Electrical sensor e.g. water level sensor, for use in e.g. lorry, has interface unit outputting maintenance or operating condition information, where sensor-integrated display unit displays maintenance or operating condition information |
| JP2009271056A (en) * | 2008-04-09 | 2009-11-19 | Toshiba Corp | Device for measuring water level of nuclear reactor and method for measuring water level of nuclear reactor |
| CN203396447U (en) * | 2013-08-05 | 2014-01-15 | 河海大学常州校区 | Wireless water gauge type water level detection device |
| CN105043494A (en) * | 2015-07-13 | 2015-11-11 | 华北水利水电大学 | Real-time underground water level monitoring device |
| CN205475115U (en) * | 2016-04-06 | 2016-08-17 | 褚双银 | Automatic change water sluicegate |
-
2016
- 2016-08-30 CN CN201610780655.4A patent/CN106292447B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006027733A1 (en) * | 2006-06-16 | 2007-12-20 | Daimlerchrysler Ag | Electrical sensor e.g. water level sensor, for use in e.g. lorry, has interface unit outputting maintenance or operating condition information, where sensor-integrated display unit displays maintenance or operating condition information |
| JP2009271056A (en) * | 2008-04-09 | 2009-11-19 | Toshiba Corp | Device for measuring water level of nuclear reactor and method for measuring water level of nuclear reactor |
| CN203396447U (en) * | 2013-08-05 | 2014-01-15 | 河海大学常州校区 | Wireless water gauge type water level detection device |
| CN105043494A (en) * | 2015-07-13 | 2015-11-11 | 华北水利水电大学 | Real-time underground water level monitoring device |
| CN205475115U (en) * | 2016-04-06 | 2016-08-17 | 褚双银 | Automatic change water sluicegate |
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